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Re: HV xray cable revisited



Original poster: "D.C. Cox" <resonance@xxxxxxxxxx>



Mike:

We stock "Big Red" which is a 125 kV BIL single conductor cable that can just lay directly on the ground. It's over 7/8 inch thick and most of that is insulation. It works great --- you saw it in action on our purple coil and also Big Bruiser at the Teslathon.

Dr. Resonance




Original poster: "Barton B. Anderson" <bartb@xxxxxxxxxxxxxxxx>

Hi Mike,

For a quick reply, "get the cable off the ground and your problems are over". I never allow hv feeds to be tossed along the ground.

Take care,
Bart



Tesla list wrote:

Original poster: "MIKE HARDY" <MHARDY@xxxxxxxxxx>

Some time back I had a discussion on the list about stripping off the black conductive coating that remains after the shield is removed, for 8" or so on either end of my HV xray cable. It seems this black coating still arcs if it is in contact to ground, or the other xfmr lead (14.4 kV). Is this simply distributive capacitannce causing coupling due to it's use on AC? Do you think this robs alot of energy? Is it dangerous if layed on damp ground? I find running the leads thru pvc to the TC cumbersome, and time consumming, when I want to drag it outside for short runs. Since I want to run my coil tonight for new years a quick reply would be greatly apreciated.

HAPPY NEW YEAR!
Mike